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Finding the Fourth Proportional to 332.97, 499.40 and 170.65

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Solution

The fourth proportional to 332.97, 499.40 and 170.65 is: 255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.97 : 499.40 = 170.65 : x
  2. Step 2: Convert to fraction form
    332.97/499.40 = 170.65/x
  3. Step 3: Cross multiply
    332.97x = 499.40 × 170.65
  4. Step 4: Simplify right side
    332.97x = 85,222.61
  5. Step 5: Solve for x
    x = 85,222.61/332.97
  6. Step 6: Final answer
    x = 255.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.